Etherification of Glycerol with Propylene or 1-Butene for Fuel Additives
Table 2
Product distribution for the etherification of glycerol with 1-butene on Amberlyst-15 and S-200 catalysts [glycerol : 1-butene = 1 : 4, catalyst 10 wt% based on glycerol, at 100°C].
Time (h)
Conversion (%)
Selectivity (%)
Amb-15
S-200
Amb-15
S-200
1-MBGE
2-MBGE
1,3-DBGE
1,2-DBGE
Dimer
1-MBGE
2-MBGE
1,3-DBGE
1,2-DBGE
Dimer
8
24.76
0
19.78
3.23
0
0
1.75
0
0
0
0
0
16
46.87
9.62
34.85
3.86
3.60
2.64
1.92
6.86
1.94
0
0
0.82
24
58.83
15.57
46.01
7.28
1.46
1.70
2.38
11.77
2.19
0
0
1.61
40
78.71
21.58
53.73
8.09
5.53
6.57
4.79
16.15
2.88
0.38
0.28
1.89
48
80.45
22.72
49.43
5.52
10.55
10.06
4.89
16.42
2.99
0.38
0.29
2.64
72
100
38.99
66.29
7.80
9.71
10.89
5.31
28.19
4.35
1.48
1.27
3.70
Data are shown as the mean ± 1.05 SD derived from 3 independent samples.
